The term ‘refractory metal’ is used to describe a group of metal elements that have exceptionally high melting points and are resistant to wear, corrosion, and deformation.
Industrial uses of the term refractory metal most often refer to five commonly used elements:
Molybdenum (Mo)
Niobium (Nb)
Rhenium (Re)
Tantalum (Ta)
Tungsten (W)
The identifying feature of refractory metals is their resistance to heat. The five industrial refractory metals all have melting points in excess of 3632°F (2000°C).
Tungsten Nickel Copper Alloy Shield The tungsten nickel copper alloy shield is a new type of lead-free medical radiation shield. The biggest difference between it and the tungsten-nickel-iron alloy shield is that the W-Ni-Cu alloy is non-magnetic, so it can be used in fields that are sensitive to magnetic environments, thereby exerting its unique anti-interference […]
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Tungsten Contacts for Electrical Appliances As far as most electrical appliances are concerned, they all use high-purity tungsten contacts, mainly because the contacts have a high melting point, a slow evaporation rate, and good electrical and thermal conductivity. Compared with traditional contacts, the contacts made of metal tungsten have a longer cycle life and at the […]
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Tungsten Alloy Spherical Fragments Tungsten alloy spherical fragments are composed of high-performance explosives, a lot of tungsten alloy balls, and a metal shell. They mainly rely on the kinetic energy of the fragments to damage targets. They have gradually become the preferred damage element for air defense, surface killing, and other types of killing warheads. Tungsten […]
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Tungsten Alloy Military Aircraft Shock Absorber Tungsten alloy military aircraft shock absorber is also called tungsten alloy military aircraft buffer. It refers to the shock absorber for military aircraft such as fighters, bombers, early warning aircraft, and transport aircraft, which is made of high-density tungsten alloys with high wear resistance, impact resistance, and high-temperature resistance. The […]
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Copper Tungsten Contact Material Preparation Method Because tungsten has a high melting point and strong arc resistance, copper has excellent electrical and thermal conductivity, so copper-tungsten contact materials have good arc corrosion resistance and electrical and thermal conductivity and are widely used in SF6 high-voltage circuit breakers. In this article, let’s take a closer look […]
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Why Do F1 Racing Engines Use Tungsten Alloy Crankshafts? Compared with inexpensive lead, tungsten alloy not only has a higher density (60% higher than lead), but also lower toxicity. Compared with steel, tungsten alloy has twice its density and has the advantages of high hardness, good wear resistance, strong corrosion-resistance, high melting point, and high-temperature resistance. Therefore, […]
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Tungsten Titanium Alloy Target for Chips The main reason why new semiconductor chips choose tungsten titanium alloy targets as the diffusion barrier and bonding layer is that the alloy has good surface adhesion and excellent heat dissipation properties. In this way, the prepared product will have a higher comprehensive performance. Tungsten-titanium alloy is an alloy that […]
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Will the Tungsten Wire Mesh React with Air? Tungsten wire mesh is a pure tungsten wire product. It has the characteristics of high melting point, high hardness, high strength, high resistivity, low vapor pressure, low evaporation rate, good high-temperature resistance (can withstand high temperatures of 3400 degrees), and excellent impact resistance. Therefore, it is widely used in […]
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Application of Tungsten Alloy in Industrial Shielding In our last article, we’ve introduced the application of high specific gravity tungsten alloy in medical shielding. Actually, in addition to medical radiation shielding parts that can use tungsten alloy as the main production raw material, industrial shielding parts can also be made of tungsten alloy. So in this […]
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Application of High Specific Gravity Tungsten Alloy in Medical Shielding With the development of medical technology, more and more radiation devices appear in our lives. The hazards of radiation and how to protect people from radiation hazards have aroused people’s attention. In order to protect patients, doctors, nurses, and others from radiation hazards, radioactive sources must be […]
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